Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rf4 win in 1 half-moves
2 Kf6 draw
3 Kg6 draw
4 Kh6 draw
5 Kh7 draw
6 Ra8 draw
7 Re8 draw
8 Kg8 loss in 6 half-moves
9 Kf7 loss in 4 half-moves
10 Kh8 loss in 4 half-moves
11 Rg8 loss in 4 half-moves
12 Rb8 loss in 2 half-moves
13 Rc8 loss in 2 half-moves
14 Rd8 loss in 2 half-moves
15 Rf1 loss in 2 half-moves
16 Rf2 loss in 2 half-moves
17 Rf3 loss in 2 half-moves
18 Rf5 loss in 2 half-moves
19 Rf6 loss in 2 half-moves
20 Rf7 loss in 2 half-moves
21 Rh8 loss in 2 half-moves